Home / 1,115,985.06-1,540,179.78-632,498.30

Finding the Fourth Proportional to 1,115,985.06, 1,540,179.78 and 632,498.30

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Solution

The fourth proportional to 1,115,985.06, 1,540,179.78 and 632,498.30 is: 872,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,985.06 : 1,540,179.78 = 632,498.30 : x
  2. Step 2: Convert to fraction form
    1,115,985.06/1,540,179.78 = 632,498.30/x
  3. Step 3: Cross multiply
    1,115,985.06x = 1,540,179.78 × 632,498.30
  4. Step 4: Simplify right side
    1,115,985.06x = 974,161,092,544.37
  5. Step 5: Solve for x
    x = 974,161,092,544.37/1,115,985.06
  6. Step 6: Final answer
    x = 872,915.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.